First Report of Occurrences of Two Cyprinid Herpesvirus 3 Variants, I++ II- and I++ II+Delta, in China
文献类型: 外文期刊
第一作者: Liu, Zhenxing
作者: Liu, Zhenxing;Ke, Hao;Ma, Yanping;Hao, Le;Ma, Jiangyao;Liang, Zhiling;Chen, Zhongjian;Liu, Zhenxing;Ke, Hao;Ma, Yanping;Hao, Le;Ma, Jiangyao;Liang, Zhiling
作者机构:
关键词: cyprinid herpesvirus 3;KHV;genotype;variant;epidemiology;China;nested-PCR
期刊名称:FISH PATHOLOGY ( 影响因子:0.6; 五年影响因子:0.802 )
ISSN:
年卷期:
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收录情况: SCI
摘要: Cyprinid herpesvirus 3 (CyHV-3) is the cause of a lethal disease named as koi herpesvirus disease (KHVD) in carp worldwide. Even though CyHV-3 has been found in China, little is known about the variety of CyHV-3 genotypes distributing in this area. In the present study, to improve the sensitivity of current genotyping approaches, a nested-PCR method was constructed based on the duplex PCR reported previously. The nested-PCR targeting the markers I/II loci was used in genotype identification of CyHV-3 infected fish in Guangdong Province in 2010-2015 and Henan Province in 2013. We detected 3 genotypes including an Asian dominant type (1(++)II(+)) and two emerging genotypes in East Asian and South-East Asian regions (I++ II- and I++ II+Delta). I++ II- was the predominant genotype in this study. Two CyHV-3 variants, ZS410 and HZ419 isolates, were successfully isolated in cell culture and exhibited the genotype of I++ II- and I++ II+Delta, respectively. This is the first report of both I++ II- and I++ II+Delta genotypes isolated in China. These data can contribute consideration and exploration of mode of CyHV-3 spread in China.
分类号: S94
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